Diesel Volatility Is Back. Here's What It Costs You If You're Not Ready.

March 4, 2026
5 min read
Jeremy Kelly
Chief Growth Officer

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With the ongoing situation in the Middle East already impacting crude prices, now is the time to make sure you're deploying the right fuel strategies.

When geopolitical tension rises, crude markets react fast, and diesel follows. Markets don't wait for supply disruption. They price in risk immediately, and that risk premium flows straight into your cost per gallon. If you run trucks, you already know fuel is your second-largest expense after payroll. In a market like this, small inefficiencies become expensive very quickly.

The mechanics matter. Wholesale rack pricing adjusts first, and it adjusts fast — terminals reprice within days, which means your cost per gallon can shift before you've felt it operationally. Retail tends to lag, but once it resets higher, it stays there. If you're only watching pump price or advertised discounts, you're not seeing the full picture until the damage is already done.

Volatility doesn't just increase diesel prices. It exposes the gaps that were already there. Inefficiencies that were easy to overlook in stable markets become real liabilities when prices move.

What I Tell Fleets to Focus on During Volatility

When markets get unstable, discipline matters more than discount language. Here is what to focus on:

1. True net cost per gallon

Not the headline discount. Not cents off retail. The real, all-in cost after taxes, fees, rebates, and behavioral patterns across your network.

2. Blended cost per mile

This is your north star during volatility. Watch it closely — it tells you whether higher fuel prices are actually eating into your operating cost, and by how much. The goal isn't just absorbing the pressure; it's finding every opportunity to offset it. Every improvement compounds.

3. High-cost outliers

Every fleet has lanes, drivers, or locations that quietly inflate the average. Volatility magnifies those mistakes. Surface them before the market does it for you.

4. Route planning with fuel in mind

Fuel should influence dispatch decisions, not just appear in accounting reports after the fact. Buying strategically along the route can materially reduce cost without touching service levels.

5. IFTA positioning

Fueling in the right jurisdictions, managed deliberately, can improve your tax-adjusted net cost in ways most fleets leave on the table.

6. Driver experience

Cost matters. So does retention. The best programs still prioritize locations with reliable parking, clean showers, food options, and safe environments. Taking care of your drivers is part of taking care of your margins.

7. Tight controls and daily visibility

In volatile markets, small leaks turn into big expenses. By monitoring fueling behavior and reviewing reports daily, you can eliminate unnecessary premium fueling patterns before they accumulate into something bigger.

The Reality

For a mid-sized fleet, the difference between active fuel management and passive fueling can mean six figures a year. In volatile markets, that gap widens faster than most operators expect. If you're not currently reviewing how this volatility is impacting your blended cost per mile, that's the place to start. Fuel discipline isn't optional in markets like this.

Get in touch with our team today to get the visibility, intelligence, and control to protect every dollar in any market condition.

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